From: Infliximab therapy in rheumatoid arthritis and ankylosing spondylitis-induced specific antinuclear and antiphospholipid autoantibodies without autoimmune clinical manifestations: a two-year prospective study
Number of positive sera
Anti-β2GPI autoantibodiesa
aCL autoantibodiesb
IgG
IgM
Infliximab, RA (n = 24)
n 0
0
n t
2
1c
5
Infliximab, AS (n = 15)
3
1
Control, RA (n = 30)